763865512036 has 27 divisors (see below), whose sum is σ = 1469373333267. Its totient is φ = 347202856440.

The previous prime is 763865512031. The next prime is 763865512037. The reversal of 763865512036 is 630215568367.

The square root of 763865512036 is 873994.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (763865512031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19208005 + ... + 19247731.

Almost surely, 2^763865512036 is an apocalyptic number.

763865512036 is the 873994-th square number.

It is an amenable number.

763865512036 is a deficient number, since it is larger than the sum of its proper divisors (705507821231).

763865512036 is an frugal number, since it uses more digits than its factorization.

763865512036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79480 (or 39740 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 763865512036 in words is "seven hundred sixty-three billion, eight hundred sixty-five million, five hundred twelve thousand, thirty-six".